Honeywell 7800 Series Manual page 4

RM7885A
SPECIFICATIONS
SEQUENCE TIMING FOR NORMAL OPERATION
Device
RM7885A
*STANDBY and RUN can be an infinite time period.
**IGNITION is the time the Start Switch is pushed and limited to 15 minutes.
APPROVAL BODIES:
Underwriters Laboratories Inc. listed, File No. MP268,
Guide No. MCCZ.
Canadian Standards Association certified, LR9S329-3.
Factory Mutual approved.
IRI acceptable.
Federal Communications Commission, Part 15, Class B-
Emissions.
MOUNTING: Q7800A for panel mount or Q7800B for wall
or burner mount.
REQUIRED COMPONENTS:
Plug-in Flame Signal Amplifier, see Table 2.
Wiring Subbase Q7800A1005 (panel mounted) or
Q7800B1003 (wall mounted).
ACCESSORIES:
Optional:
ControlBus 5-Wire Electrical Connector—part no.
203541.
COMBUSTION SYSTEM MANAGER™—part no.
ZM7850A1001.
Communication Interface Base Unit—part no.
Q7700A1014.
Fig. 1—Mounting dimensions of RM7885A Relay Module and Q7800A. Subbase in inches [millimeters].
POWER
PILOT
FLAME
MAIN
ALARM
RESET
Initiate
10 sec.
BURNER CONTROL
5 [127]
1 REMOVE ONLY FOR TERMINAL TEST ACCESS.
Standby
*
Communication Interface ControlBus Module—part
no. QS7800A1001.
Keyboard Display Module—part no. S7800A1001.
DATA CONTROLBUS MODULE™—part no.
S7810A1009.
Remote Reset Module—part no. S7820A1007.
Expanded Annunciator—part no. S7830A1005
Flame Simulators:
— part no. 203659 UV Flame Simulator.
— part no. 123514A Rectification Simulator.
Remote Display Mounting Bracket—part no. 203765.
Remote Display Power Supply
— part no. 203968A Plug-in.
— part no. 203969A Screw Terminal.
Tester—part no. A7800A1002.
Replacement Parts:
Dust Cover - part no. 221729.
Electrical Access Slot Covers - part no. 221779
(Q7800B only)
5
[127]
4
Ignition
**
1
5 [133]
4
Run
*
1
M5148