Installation & Maintenance Data
IM 695
Group: WSHP
Part No.: 107732201
Date: March 2000
Field Installed Options on MicroTech 2000 Units
These field installed kits are supplied with a sheet metal enclosure, that mounts on the side of unit next to the terminal block for easy connection.
Use the two pre-drilled mounting holes adjacent to the terminal blocks. If there are no mounting holes, drill
provided mount the kit and wire to the correct option as illustrated below.
Caution
When mounting the kit, care should be taken to not allow screws to contact
any electrical components, tubing or wiring.
Standard Options
1. Timed Output Relay ..................................................................................................................................................................................... MTR
2. Boilerless System Relay ................................................................................................................................................................................MBS
3. Fresh Air Damper ......................................................................................................................................................................................... MFD
4. Motorized Valve Relay ................................................................................................................................................................................. MTV
If only one option is required in a unit, it will be supplied by the WSHP Base Controller. This can be any one of the four standard options. If more
than one is desired, the second, third, and fourth options will be supplied by the auxiliary module; these can be any combination of the standard
options listed above.
1
⁄8" diameter holes and using the screws
1st Option (Field Installed)
Terminal Boards
(On Side Panel of Unit)
1122334
567
ELUP
WH
O1
Relay
24 VAC
Coil
SPDT
YE
03
C
4
RD
02
OR
04
5
2nd Option (Field Installed)
Auxiliary Option
J6
1223344
BL
09
YE
07
WH
1
Relay
24 VAC
Coil
SPDT
5
3rd Option (Field Installed) 4th Option (Field Installed)
Auxiliary Option
J7
1234
YE
12
BL
14
WH
10
By Others
24 VAC
Auxiliary Option
J10
1234
YE
17
WH
05
BL
19
15
OR
08
RD
06
By Others
24 VAC
By Others
24 VAC
Relay
24 VAC
Coil
SPDT
OR
4
3
08
1
2
5
RD
11
Relay
24 VAC
Coil
SPDT
OR
4
3
18
1
2
5
RD
16
Note
The 4th option not available on sizes 070 through 120.
©1999 AAF–McQuay Incorporated IM 695 / (3/00)