Honeywell 7800 SERIES

7
66-1085—3
RM7800E,G,L,M; RM7840E,G,L,M 7800 SERIES RELAY MODULES
บริษัท เอดีดี เฟอร์เนส จํากัด
ADD FURNACE CO.,LTD.
44 ซอยบรมราชชนนี 70 ถนนบรมราชชนนี แขวงศาลาธรรมสพน์ เขตทวีวัฒนา กรุงเทพฯ 10170
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https://www.add-furnace.com E-mail: sales@add-furnace.com
120V ALARM
Q7800
G 12
L2
13
3
14
HIGH FIRE
COMMON
LOW FIRE
SERIES 90
FIRING RATE
MOTOR
B
R
W
SERIES 90
CONTROLLER
B
R
W
4
(L1) 15
MODULATE
BURNER MOTOR
(BLOWER)
5 16
BURNER
CONTROLLER/LIMITS
LOCKOUT INTERLOCKS
(INC. AIR FLOW SWITCH)
10 SEC. INTERRUPTED
PILOT/IGNITION
6 17
7 18
8
19
4
LOW FIRE
START SWITCH
HIGH FIRE
PURGE SWITCH
2
1
120V, 50/60 Hz POWER SUPPLY. PROVIDE DISCONNECT
MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2
RM7800/7840E ONLY: HIGH FIRE PURGE SWITCH
MAIN FUEL VALVE(S)
9 20
PREIGNITION
INTERLOCK
CONNECTED TO
4
(L1), NOT
5
.
5 SECOND IGNITION
(EARLY SPARK
TERMINATION)
FLAME DETECTOR
3
10 21
F 22
15 SEC.
INTERRUPTED
PILOT VALVE
MASTER
SWITCH
5
L1
(HOT)
L2
1
3
SEE FLAME DETECTOR INSTALLATION INSTRUCTIONS
FOR CORRECT WIRING.
4
DO NOT WIRE TO ANY UNUSED TERMINALS.
5
RM7840L1026, RM7800L1053 HAVE INTERMITTENT
PILOT VALVE FUNCTIONS.
M12261C
Fig. 2. Wiring subbase and sequence for RM7800E,LIRM7840E,L.
FOR DIRECT SPARK IGNITION (OIL
OR GAS)
10
IGNITION
TRANSFORMER
8
L2
9
2ND STAGE
FUEL VALVE
(OPTIONAL)