Honeywell 2RM7800L1087, Руководство по установке

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RM7800L1087; RM7840G1022,L1075; EC7840L1014 RELAY MODULES WITH VALVE PROVING
66-1162—2 22
* An ammeter can be used to verify the proper connected loads.
13 RM7800L;
RM7840L;
EC7840L
4-5
and
12-13
19-L2 Firing rate motor drives open; line
voltage at Terminal 19 after motor
is in High Fire position.
1. High Fire Purge Switch.
2. Firing rate motor and transformer.
14 RM7800L;
RM7840L;
EC7840L
4-5
and
14-13
19-L2 Firing rate motor drives closed;
zero volts at Terminal 19 after
motor starts driving closed.
1. Low Fire Start Switch.
2. Firing rate motor and transformer.
15 All 15-13 — 1. Raise setpoint of Series 90
controller—firing rate motor
should drive toward open.
2. Lower setpoint of Series 90
controller—firing rate motor
should drive toward closed.
1. Series 90 Controller.
2. Firing rate motor and transformer.
Final All
CAUTION
Equipment Damage Hazard.
Improper wiring can damage equipment.
On completing these tests, open the master switch and remove all test jumpers from the
subbase terminal. Also remove bypass jumpers from the low fuel pressure limits (if used) to
prevent equipment damage.
Table 9. Static Checkout. (Continued)
Test
No.
RM7800/
RM7840/
EC7840
Models
Test
Jumpers Voltmeter Normal Operation
If Operation is Abnormal,
Check the Items Listed Below