Burnham K50 manual Condensation, Control Variations

3.CONDENSATION

Following a cold start, condensation (sweating) may occur in a gas fired boiler to such an extent that it

appears that the boiler is leaking. This condensation can be expected to stop after the boiler is hot.

CONTROL VARIATIONS

NATURAL GAS

MODEL NO.	CONTROL	TYPE OF	GAS VALVES		OPTIONAL MAIN	REFERENCE
	SYSTEM	PILOT	PILOT	MAIN	VALVES	PAGE
5006B-5009B (USA)	EI	Elec. Ign.	(1) 7000DERHC-S7C		(B)	47
5010B-5026B (USA)	EI	Elec. Ign.	(1) H91WG-6	(2) V88A	(B)**	48-50
5006B-5026B (CANADA)
5006B-5026B	EO	Standing Q179D	(1) L62GB-3C	(2) V88A	(A), (B)	53 & 55
(USA & CANADA)
5008B-5026B	EE	Elec. Ign. Q179C	(1) H91WA-4	(2) V88A	(A), (B)*	57 & 58
(USA & CANADA)
5006B-5026B (USA)	EOP	Standing Q179D	(1) L62GB-3C	(2) V88A	(A), (B)	60 & 62
5008B-5026B (USA)	EEP	Elec. Ign. Q179C	(1) H91WA-4	(2) V88A	(A), (B)*	64 & 67
5006B-5013B (CANADA)	24V	Standing	(1) L62GB-3C	(2) V88A	(A), (B)	69
5015B-5024B (CANADA)	24V	Standing	(1) 62GB-3C	(2) V88A	(A), (B)	70
LP GAS

MODEL NO.	CONTROL	TYPE OF	GAS VALVES		OPTIONAL MAIN	REFERENCE
	SYSTEM	PILOT	PILOT	MAIN	VALVES	PAGE
5006B-5009B (USA)	EI	Elec. Ign.	(1) 7000DERHC-S7C			47
5006B-5026B (USA)	EO	Standing Q179D	(1) L62GB-3C	(2) V88A	(A)	53 & 55
5006B-5026B (CANADA)	EO	Standing Q179D	(1) L62GB-3C	(2) V88A	---	53 & 55
5006B-5026B (USA)	EOP	Standing Q179D	(1) L62GB-3C	(2) V88A	---	60 & 62

(A)-- (1) Honeywell V5055B Motorized Gas Valve with V4055A/V4062A/V9055A Actuator and (1) ITT K3A Solenoid Valve (120V)

(B)-- (1) Honeywell V8944B Combination Gas Valve and (1) ITT K3A Solenoid Valve (24V)

*-- To be used with (1) H91WA-4 Pilot Valve (120V)

**-- To be used with (1) H91WG-6 Pilot Valve (24V) NOTE:

1. For Steam or Water

2.For 24V Thermostat Application - Wire RA89A Relay in Place of Operating Control Set Thermostat Heat Anticipator at 0.4 Amp. See Pages 47, 48 and 49.

3.All Battery Operated Thermostats must be Electrically Isolated From the Primary Circuit by an Isolating Relay.

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