RPL: RAH, Size 077, Vintage C, RoofPak Draw Thru / Blow Thru Air ...

Section N- Main Control Box
Control Panel- Units with MicroTech Controls
(C12= 1M, 2M, 3M, 4M, 5M)— Until 1/01
Components
Sch. Part Part
Sym. Description Number Qty.
Relays, continued
R24 Relay- Gas Heat Alarm 019643000 1
R26 Relay- Powered Relief Dampers 019643000 1
R27 Relay- Powered Relief Dampers 019643000 1
R28 Relay- Isolation Damper 032508101 1
R29 Relay- Final Filter 026213000 1
R30 Relay- CW, Face & Bypass 019643000 1
R65 Relay- PW Fan 073340001 1
R66 Relay- PW Fan 073340001 1
R67 Relay- Supply Fan with inverter 019643000 1
R68 Relay- Return Fan with inverter 019643000 1
R69 Relay- Inverter with Bypass 032508101 1
Relay- Inverter without Bypass 019643000 1
Transducer and Pressure Controls
SPS1 Sensor- Duct Static Pressure (C13= 1, 2, 3) 049545005 1
SPS2 Sensor- Duct Static Pressure (C13= 2) 049545005 1
Sensor- Building Static Pressure (C13= 3, 4) 049545006 1
DHL Switch- Duct Hi- Limit 065493801 1
Fitting for DHL 049763002 1
Main MicroTech Controller and Associated Boards
MCB1 Microprocessor (must be programmed- requires unit GO or Serial No.) 065487306 1
Fuse- MCB1 065822001 1
Keypad Keypad/Display Assembly 065497201 1
Ribbon Cable- MCB to Keypad 065499702 1
ADI ADI Board 1 065816005 1
OBA Output Board- 16 position 066542201 1
Ribbon Cable- MCB to OBA 049265204 1
OBB Output Board- 4 position- Cooling 066542203 1 3
OBB Output Board- 8 position- Cooling 066542202 1 4
OBC Output Board- 8 position- Heating 066542202 1 5
OB_ _ Output Board Relay
Positions OBA1-8, OBA13-16, OBB1-8, OBC1-8 049265601 2
Positions OBA9- 12 no inverters (C14= Y) 049265601 2
Positions OBA9- 12 units with inverters (C14= 1-9) 049265603 2
SB1 Cooling Staging Board 065499001 1
SB2 Heating Staging Board- 4 to 8 stages of Heat 065499001 1 5
Room Sensors
Sensor #1- Standard VAV 066540401 1 6
Sensor #2- Enhanced VAV (includes tenant override) 066540402 1 6
Sensor #9- Standard CAV 066540409 1 6
1 Units built prior to 1995 used a Daughter Board (DB1) p/n 049545501 (the DB1 fuse is p/n 065829601 and the ribbon cable from MCB to
DB1 is p/n 049265103).
2 Quantity varies depending on options.
3 Used on units with Evaporator Coils (C28 or C36= 5Z******) and 4 stages of cooling (C42= 4). Ribbon cable OBB to SB1 is p/n
065499501.
4 Used on units with Evaporator Coils (C28 or C36= 5Z******) and 6 or 8 stages of cooling (C42= 6 or 8). Ribbon cable OBB to SB1 is p/n
065499501.
5 Used on CAV units (C12= 1M or 5M) with more than 4 stages of electrical heat. Ribbon cable connecting OBC to SB2 is p/n 065499501.
6 Prior to 1/92 use p/n 058899372 for VAV and p/n 065824701 for CAV.
RoofPak Singlezone; RAH 077 “C” Rev. Q 07/12 RPL 700008300 / Page 167