MTD 248-604A Manual de instalación Pagina 31
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IM 1083 Self-Contained WSHP Unit Ventilator Models ARQ, ERQ, GRQ Page 31 of 42
GND
Comm
BI-6
BI-5
BI-4
896
908A
907A
906A
905A
Shield
896
908
907
906
905
P1 (12-pin)
Connector
Unit Ventilator
P1 (12-pin)
Connector
6
4
3
2
5
1
Setpnt Adjst.
Comm
Sensor
LED
GND
AI-2
Comm
AI-1
LED
Wire
Caps
896
GRN
BLK
WHT
RED
896
GRN
BLK
WHT
RED
Remote Wall Sensor
(Option)
External Input
Option 3 Device
(by others)
External Input
Option 2 Device
(by others)
External Input
Option 1 Device
(by others)
Ventilation Lockout
(default) or
Exhaust Interlock
Remote
Shutdown
Unoccupied (default)
or Dewpoint Humidity
Shield
Figure 53: 12-pin Plug MicroTech II™ Control Wiring Diagram
Note: Not all external input options are available for all models.
Figure 52: 10-pin Plug MicroTech II™ Wiring Diagram
Figure 51: 4-pin Plug MicroTech II Control Wiring Diagram
Shield
P6 (10-pin)
Connector
Unit Ventilator
xBO-2
xBO-1
BO-6
BO-6
P6 (10-pin)
Connector
Wire
Caps
601A
602A
603A
604A
605A
External Output
Option 1 Device
(by others)
External Output
Option 2 Device
(by others)
External Output
Option 3 Device
(by others)
Lights On/Offf
Signal or
Motorized Water
Valve Open/Close
Fault Indication
or
Pump Restart
Signal
Auxiliary Heat
Signal
or
Exhaust Fan
On/Off Signal
Comm
Comm
606A
608A
610A
24vac Supply
24vac Comm
601
602
603
604
605
606
608
610
Communication
Module
(4-pin)
Male Connector
Unit Ventilator
Optional Building Automation System (BAS)
Note:
The N2 Bus can use either solid or stranded wires of the following types:
3-wire twisted cable, 2 twisted-pair telephone cable, or two twisted pair
with shield. The wiring is polarity sensitive.
The polarity of the signal must always be maintained throughout the
network. Always connect + to + and - to -. The shield connection must
be continuous throughout the entire network and must be connected to
earth ground at one (and only one) point.
Use Belden 8471, NEMA Level 4, or Echelon-approved equivalent wire.
Since the L
ONWORKS communication wiring is polarity insensitive, no polarity
must be observed when making connections via the unshielded twisted-pair wiring.
Wiring: Use twisted shielded pair (Connect Air W221P-2544 or equivalent).
Daisy-chain and tie shield to earth ground at one point only.
The polarity of the signal must always be maintained throughout the network.
A
lways connect + to + and - to -. The shield connection must be continuous
throughout the entire network and must be connected to earth ground
at one (and only one) point.
LONWORKS
®
FTT–10 (A)
FTT–10 (B)
BACnet
®
Metasys
®
GND
3
2
1
(4-pin)
Female Connector
Black
Red
GND
N2–
N2+
GND
RT-
RT+
(By others)
(By others)
(By others)
Note: Not all external input options are available for all models.
- IM 1083 1
- Table of Contents 3
- Visible Loss or Damage 5
- Concealed Loss or Damage 5
- Lifting Unit 5
- Typical VentiMatic 7
- Shutter Installation 7
- VentiMatic 9
- Shutter Assembly 9
- (By Others) 11
- Pitch Away From Unit 11
- Installing Louvers 12
- Unit Ventilator Installation 16
- Preparing to Move the Unit 16
- To Clean the Drain Pan 17
- Operating Limits 19
- Start-up 19
- Piping Considerations 20
- CAUTION 21
- Water Coil Connections 22
- For All Systems 22
- System Balancing 23
- Making Control Connections 24
- Local User Interface (LUI) 26
- Operating Mode States (4) 26
- Fan States (4) 26
- Occupancy Modes (4) 26
- Electrical Data 28
- Procedure 30
- MicroTech 32
- Remote Wall Mounted Sensor 32
- Temperature Sensor 32
- IMPORTANT 34
- Repairs and Replacement 35
- Connections 36
- End Panel Dimensions 37
- End Panel Assembly 38
- Post Installation Checklist 39
- Filter(s) 39
- WARNING 41
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