| Вид документа | Інструкція з монтажу |
|---|---|
| Виробник | JCI |
| Код документа | vav-modular-assembly-vma-1430-installation-guide |
| Група обладнання | VMA14 VAV Modular Assembly |
| Сторінок | 8 |
| Мова документа | англійська |
| Розмір файлу | 0.1 МБ |
Текст документа
Installation Instructions
Issue Date March 24, 2009
VAV Modular Assembly (VMA) 1430
Application Mounting
The Variable Air Volume Modular Assembly (VMA) Mount the VMA in a location where wiring connections
1430 is a digital controller with a pressure sensor in a are accessible. Use the following procedure to mount
prewired unit. The VMA1430 uses an external the VMA:
floating/3-wire or proportional actuator.
1. Secure the VMA with two self-drilling No. 10
For additional information, refer to the following screws through the two VMA mounting slots with a
documents: power screwdriver and 100 mm (4 in.) extension
socket. Otherwise, use a punch to mark the
• Variable Air Volume Modular Assembly (VMA) positions of the two mounting slots, and then drill
1400 Series Overview and Engineering Guidelines holes into the VAV box through the marks using a
Technical Bulletin (LIT-6363120) 3.5 mm (9/64 in.) drill bit. Insert the mounting
• Variable Air Volume Modular Assembly (VMA) screws and tighten to secure the VMA.
1400 Series Application Note (LIT-6375125)
IMPORTANT: Do not overtighten the screws,
Use HVAC PRO software to program this controller.
or the threads may strip. If mounting to the VAV box,
(Use EURO PRO in Europe.)
make sure the screws do not interfere with damper
blade movement.
Installation
Prepare the VMA1430 for mounting using the following 2. Loop the pneumatic tubing to include a trap for
procedure: condensation, or mount the VMA higher than the
tubing. Attach the tubing from the VMA to the VAV
1. Check that you have the essential equipment and Box pickup. The HI (red) tubing is connected to
tools. the inlet or high-pressure side, and the clear
2. For the VMA1410 and 1420, make certain that the tubing is connected to the low side (Figure 1).
damper shaft protrudes at least 44 mm (1 3/4 in.)
from the VMA mounting surface. Location Considerations
3. Ensure the VMA installation site meets Consider the following when positioning and orienting
environmental requirements. the VMA:
4. Make sure the VMA mounting location has • Mount the VMA on a vertical and flat surface
adequate clearance for future servicing. where it functions best, such as the side of the
VAV box.
5. Set the VMA-specific N2 address. See the Setup
and Adjustments section in this document. • Route or loop the tubing, so a portion of it is lower
than the pressure sensor, to create a moisture trap
a. Via hardware, use the N2 switches. that prevents any condensation from entering the
Use Addresses 1-253 only. sensor.
b. Via software, set the hardware addresses to 0 • Do not make any sharp bends in the tubing, as
or 255. Then use the VAV Balancing Tool this could collapse the tube and block the pressure
(VBT), HVAC PRO, or EURO PRO software to path.
perform software addressing.
• Verify wiring terminals are accessible.
Refer to the Mounting and Wiring Variable Air Volume
Modular Assembly (VMA) 1400 Series Controllers • Ensure that no extra mounting brackets, linkage,
Technical Bulletin (LIT-6363125) for detailed or couplers are required for standard mounting.
instructions.
© 2009 Johnson Controls, Inc. 1
Part No. 24-8986-18, Rev. E www.johnsoncontrols.com
• Locate the VMA so that it has adequate clearance • Make all wiring connections to the VMA using only
for future servicing and is protected from moisture copper conductors. To establish tight, reliable
and corrosive fumes. electrical connections, use the correct wire sizes
for the terminals. Avoid very thin solid wires, such
Wiring as 26 AWG or less than 0.6 mm, which tend to
break.
! • Daisy chain the N2 Bus. The use of Y or T
WARNING: Risk of Electric Shock. connections without a repeater installed as the T-
Disconnect each of multiple power supplies before tap may cause a loss of communications. Make
making electrical connections. More than one sure that there is at least one End-of-Line
disconnect may be required to completely termination on the N2 Bus (usually at the Network
de-energize equipment. Contact with components Control Module [NCM] or N30).
carrying hazardous voltage can cause electric shock
and may result in severe personal injury or death. • Do not run N2 Bus, Zone Bus, Analog Input (AI),
Binary Input (BI), Analog Output (AO), or Binary
Output (BO) wiring in the same conduit as line
voltage wiring (above 30 VAC), or with wiring that
IMPORTANT: Equipment Damage. Do not allow switches power to highly inductive loads such as
Binary Outputs to short while energized. Shorting of contactors, coils, motors, or generators.
Binary Outputs while energized will destroy the VMA • Run Zone Bus, AI, AO, and BI wiring in the same
output triac. bundle or conduit where convenient. If the BO
wiring is not wired through other switches or
Read these precautions before touching the terminals contacts, such as actuator end-of-travel switches,
or wiring the VMA and its accessories: bundle it with the other Input/Output (I/O) wiring
• Make all wiring connections in accordance with the where convenient.
National Electrical Code (NEC) and state and local The following are general wiring considerations:
regulations. For transformer primaries above
150 VAC, the secondary must be earth grounded • The VMA includes isolated N2, isolated binary
at the transformer to meet NEC. Terminal 1 can be outputs, and isolated 24 VAC.
earth grounded. Grounding on Terminal 1 results • The 24 VAC power input is internally transformer
in 24 VAC being applied to DCOM with respect to isolated by the VMA. To meet NEC requirements
earth. for line voltage greater than 150 VAC, Terminal 1
• 24 VAC to 24 VAC isolation transformers are not can be earth grounded.
necessary. The power supply is internally isolated. • Large insulated spade lugs with a polarizing tab
• Terminal 3 is an earth ground connection (for high voltage) do not fit on the VMA.
(optional). Use the following procedure to wire the VMA:
• Locate equipment and route the wiring so that 1. Terminate wiring per engineering drawings.
twisted pair signal wiring is separated from power Figure 1 shows a typical wiring example.
wiring by at least 150 mm (6 in.).
2. Install the N2 Bus to the Network Control Module
(NCM) or N30/N31 controller in a daisy chain only.
3. Connect power to the VMA.
4. Download, commission, and balance the VMA.
2 VAV Modular Assembly (VMA) 1430 Installation Instructions
Table 1: VMA Wiring List
Point Description Range Input or Maximum Maximum Cable Wire
Load Voltage Current Length in Size in
Impedance Meters mm or
(ohms) (Feet) mm2
(AWG)
AI-1* Zone Temperature 1 K ohm Nickel, 10 K 5 VDC 0.5 mA 150 (500) 1.5 mm2
Silicon, or Platinum (18)
30 (100) 0.6 mm
(24)
2.25 K ohm NTC 10 K 5 VDC 0.5 mA 150 (500) 0.6 mm
(Negative to 1.5
Temperature mm2
Coefficient) (24 to
18)
AI-2* Zone Setpoint 1.6 K ohm 10 K 5 VDC 0.5 mA 150 (500) 1.5 mm2
2-wire potentiometer (18)
30 (100) 0.6 mm
(24)
AI-3* Humidity Transmitter 0 to 10 VDC 1.1 M 16.5 VDC 15 mA 150 (500) 0.6 mm
to 1.5
2
mm
(24 to
18)
AI-4* Supplemental Heat 1 K ohm Nickel, 10 K 5 VDC 0.5 mA 150 (500) 1.5 mm2
Temperature or Silicon, or Platinum (18)
Supply Air 30 (100) 0.6 mm
Temperature (24)
2.25 K ohm NTC 10 K 5 VDC 0.5 mA 150 (500) 0.6 mm
to 1.5
mm2
(24 to
18)
AI-5* Velocity Pressure 0 to 1.5 inch W.C. 250 K 5 VDC 0.020 mA Internal NA
(internal) (0.5 to 4.5 VDC)
BI-1* Temporary Occupied 0-5 VDC, 440 5 VDC 10 mA 150 (500) 1.5 mm2
3.1 V trigger (18)
30 (100) 0.6 mm
(24)
BI-2* Occupied (comfort) 0-15 VDC, 47 K 17 VDC 0.3 mA 150 (500) 0.6 mm
2.5 V trigger to 1.5
mm2
(24 to
18)
BI-3* Window, Off 0-15 VDC, 47 K 17 VDC 0.3 mA 150 (500) 0.6 mm
(shutdown) 2.5 V trigger to 1.5
2
mm
(24 to
18)
AO-1* Proportional Damper 0-10 VDC 1 K-10 M 10 VDC 10 mA 150 (500) 1.5 mm2
Actuator/Heat/ (18)
Humidity/Fan Speed 60 (200) 0.6 mm
(24)
Continued on next page . . .
VAV Modular Assembly (VMA) 1430 Installation Instructions 3
Point Description Range Input or Maximum Maximum Cable Wire
(Cont.) Load Voltage Current Length Size in
Impedance in mm or
(ohms) Meters mm2
(Feet) (AWG)
AO-2* Proportional Damper 0-10 VDC 1 K-10 M 10 VDC 10 mA 150 1.5 mm2
Actuator/ (500) (18)
Heat/Humidity/ 60 (200) 0.6 mm
Fan Speed (24)
BO-1, 2, Floating/3-wire 24 VAC 48-1000 30 VAC 100 mA 150 1.5 mm2
3, 4, 5 ^ Damper Actuator/ @ 25-500 mA (500) (18)
Fan/Box or 100 mA 30 (100) 0.6 mm
Supplemental (24)
Heating Valve/
Baseboard Heat/ 500 mA 30 (100) 1.5 mm2
Electric Heat/ (18)
Lighting 500 mA 6 (20) 0.6 mm
(24)
N2 Networking Bus + 5 V transmit, 200 5 VDC 100 mA 5000 0.6 mm to
2
Bus*^ + 0.2 V receive (1500) 1.5 mm
(24 to 18)
Zone Local Room Sensor ± 0 to 5 VDC >3000 5 VDC 100 mA 150 0.6 mm to
Bus* Bus (500) 1.5 mm2
(24 to 18)
Room AI-1, AI-2, BI-1, See Zone Bus above. 7.5 (25) 0.6 mm
Sensor Zone Bus, and 15 (50) (24) 8-
Cable* +15 VDC conductor
30 (100) phone
cable
+15 DC Output Supply 14-18 VDC 1 K-10 M 18 VDC 35 mA 150 1.5 mm2
VDC* (500) (18)
60 (200) 0.6 mm
(24)
24 VAC^ AC Supply Voltage 20-30 VAC 20-144 each 30 VAC 125 mA 67 (222) 6 mm2
Power In (0.125-1.2 (100 VA (10)
amperes cable 42 (140) 4 mm2
each) length) (12)
17 (55) 1.5 mm2
(16)
11 (35) 1.5 mm2
(18)
* Isolated from 24 VAC
^ Isolated from AI, BI, AO, Zone Bus, 15 VDC
Notes: All field terminals are power limited.
When wiring a TE-6700 Room Sensor to a VMA, the Zone Bus requires +15 VDC, ZB+, and a BI COM for proper operation
(see Figure 1).
4 VAV Modular Assembly (VMA) 1430 Installation Instructions
HI
(Red)
LO
Pneumatic Tubing
(Differential Pressure)
National Electrical Code (NEC)
requirement if greater
than 150 VAC Primary TE-6700 TMZ1600
Screw Numbers Wiring
Class2
Energy Limited
Transformer
(1) 24 VAC (18) BI-1 8 TB1-1
(2) 24 VAC (19) COM 6 TB2-7
Primary 24 VAC
(3) Earth Gnd. (20) BI-2
(optional) (21) COM
open (4) BO-1 (22) BI-3
Damper (5) BCOM (23) COM 6
Actuator
close (6) BO-2 (24) +15 VDC 5
Fan Relay (7) BCOM (25) +15 VDC 5 TB2-8
(8) BO-3 (26) AI-1 1 3 TB1-3
(9) BCOM (27) COM 2 4 TB1-4
3-wire (10) BO-4 (28) AI-2 4 TB1-2
open
Incremental (11) BCOM (29) COM 3
close (12) BO-5 (30) AI-3 7 8 TB2-5
Valve
24 VAC COM
Actuator (13) BCOM (31) COM TB2-6
(14) AO-1 (32) AI-4
(15) COM (33) COM
(16) AO-2 (34) ZB+
SH REF N2 N2
(17) COM LD - + (35) ZB- (Europe)
2-wire
Proportional
Valve Actuator
TE-7000
Figure 1: Typical VMA1430 Wiring Interface
Screw Numbers
(Europe)
LED Visual Response Action
Flashes at 1 second rate During initialization
Irregular flashing 4 times per second After communications established
Rapid flashing 20 times per second Needs core code download.
Not lit No power or +15V shorted
Optional N2 Shield
To Next To NCM
N2 Device
VAV Modular Assembly (VMA) 1430 Installation Instructions
N2 Bus 1430wiring
5 24-18 AWG
Setup and Adjustments 6. Click Set Address.
Setting up the VMA1430 requires setting the 7. Wait for the new address to appear in the N2
N2 addresses and setting the damper position. Address field of the Controller Information screen
or Balancer Tool screen.
Setting the N2 Addresses
Alternately, program each address through the Zone
There are two ways to set the N2 addresses for Bus using a Palm™ compatible handheld device and
Variable Air Volume (VAV) boxes: hardware the VMA1400 Balancing Tool (VBT) software. Refer to
addressing or software addressing. Hardware Auxiliary Gear Technical Bulletin (LIT-6363080) and
addresses take priority over software addresses. If you Using the VMA1400 Balancing Tool (VBT) Software
use software addressing, you must disable the Technical Bulletin (LIT-6363092).
hardware address of each VMA by setting the
N2 address Dual Inline Package (DIP) switch to 0 or to Refer to the Testing and Receiving Data from
255. Controllers chapter (LIT-6375040) of the HVAC PRO
User’s Guide for more information.
Hardware Addressing N2 Address
DIP Switches
In hardware addressing, the N2 address DIP switches
on the side of the VMA are manually set to the
appropriate address (Figure 2). The N2 hardware
address equals the sum of the values beside each DIP
switch that is set to ON. For example, if the first DIP
128
switch (1) and the fifth DIP switch (16) are both set to 64
32
ON, the N2 hardware address for that controller is 17 16
8
(1 + 16 = 17). 4
2
Use Addresses 1-253 (254 is reserved and should not 1
be used by any N2 device on the same N2 trunk).
1430pack
Example: 16 + 1 = 17 Phone Jack Port
(Thermostat)
Software Addressing
In software addressing, HVAC PRO software Release
8.01 or later is used to set the N2 address of each Figure 2: VMA1430 Controller
VMA over the Zone Bus. The VMA must be at
firmware Revision B12 or later in order to use software
addressing.
To use software addressing:
1. Set all N2 address DIP switches to Address 0 or
255, and install the VMAs.
If the DIP switches are set to any other value
during power up, the controller defaults to
hardware addressing.
2. Supply power to the units.
3. Program each address through the Zone Bus
using a laptop, AS-CBLPRO-2 or
AS-CVTPROx00-0 converter, and
HVAC PRO software Release 8.01 or later. Select
either Controller Information or VMA Balancer Tool
from the Action menu in HVAC PRO software.
If you select Controller Information, select Single
Device.
4. Select Zone Bus. The Controller Information
screen or VMA Balancer Tool screen appears.
5. Select an N2 address from the drop-down list.
6 VAV Modular Assembly (VMA) 1430 Installation Instructions
Setting the Damper Position Repairs and Replacement
Use the following procedure to set the damper Use Table 2 to order replacement controllers and
position. accessories.
1. Locate the damper position. Note the direction to
close the damper. Table 2: Ordering Information
2. Set the damper position: Product Code Description
Number
a. For 90° boxes, grasp the damper shaft firmly
with pliers and manually position it to fully AP-VMA1430-0 VMA1430 controller, single unit
closed (icon perpendicular to airflow). Push AP-VMA1430-0D VMA1430 controller, bulk pack
down and hold the gear release lever and turn AP-VMA1430-0G VMA1430 controller, Buy American
the VMA coupler until it contacts the AP-TBK1002-0 2-position screw terminals that
mechanical end-stop at the fully closed plug into spade lugs
position.
AP-TBK1003-0 3-position screw terminals that
b. For 45° or 60° boxes, grasp the damper shaft plug into spade lugs
firmly with pliers and manually position it to AS-CBLPRO-2 Converter for programming
fully open. Push down and hold the gear address
release lever and turn the VMA coupler until it AS-CVTPROx00-0 Converter for programming
contacts the mechanical end-stop at the fully address
open position.
3. Tighten the set screw to the shaft using an 8 mm
(5/16 in.) wrench or 10 mm (3/8 in.) 12 point
socket wrench. Tighten to 17 to 21 N⋅m
[150 to 180 lb⋅in. (14 lb⋅ft)].
4. Push the gear release lever down, and turn the
VMA coupler by hand to ensure that the damper
rotates from full closed to full open positions
without binding.
5. Plug or seal the end of hollow damper shaft to
stop cold duct air from affecting the circuitry when
the VMA is mounted in another enclosure.
6. Attach the pneumatic tubing to the pressure
sensor with the HI (red) tubing connected to the
inlet or high pressure side. The clear tube
connects to the LO inlet of the VAV box.
VAV Modular Assembly (VMA) 1430 Installation Instructions 7
Technical Specifications
Product Variable Air Volume Modular Assembly (VMA)
Power Requirements Supply Voltage: 20-30 VAC at 50 or 60 Hz
Power Consumption: 3 VA maximum (relay, actuator, and valve requirements not included)
Optional 24 VAC Fuse 1.2 ampere
Current
Terminations Standard: 6.3 mm (1/4 in.) spade lugs except communications, which are screw terminals
Optional: 2 or 3 position screw terminals that plug into spade lugs
(optional accessories AP-TBK1002-0 or AP-TBK1003-0)
Controller Addressing DIP switch set (1-253). Address 254 is reserved (0 or 255 is for software addressing).
Communications Bus N2 Bus between VMA controller and NCM or N30 supervisory controller
Zone Bus between VMA controller and room sensor (8-pin phone jack or wire to spade
lugs)
Mounting Mounts to duct with two self-drilling mounting screws provided.
Agency Listings IEEE472, IEEE518, IEEE587 Category A/B, ANSI, C62.41
C-tick Australia/NZ, AS/NZS 4251.1
CFR47, Part 15, Subpart B, Class A/B
UL 916 Listed, UL 94-5VB, CSA 22.2 No. 205,
IEC-950, IEC 801
CE Directive (89/336/EEC, EN50081-1, EN50082-2)
Ambient Operating 0 to 50°C (32 to 122°F) 10 to 90% RH noncondensing
Conditions
Ambient Storage -40 to 70°C (-40 to 158°F) 10 to 90% RH noncondensing
Conditions
The performance specifications are nominal and conform to acceptable industry standards. For application at conditions beyond these
specifications, consult the local Johnson Controls office. Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or
misuse of its products.
FCC Part 15 Label - Note: This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15
of FCC Rules. These limits are designed to provide reasonable protection against harmful interference when this equipment is operated in a
commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential
area is likely to cause harmful interference, in which case the users will be required to correct the interference at their own expense.
Controls Group
507 E. Michigan Street
P.O. Box 423 Published in U.S.A.
Milwaukee, WI 53201 www.johnsoncontrols.com
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