Weil-McLain WMBC-1A - Manual
Weil-McLain WMBC-1A – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 2 – LGB; Installation; Boiler Model
- Page 5 – II; Gas piping; III; Wiring
- Page 9 – IV
- Page 10 – Sequence of operation
- Page 11 – Parts list – Table 3
Part Number 550-141-807/0298
LGB
Gas–fired boiler
Contents
Flame Guardian
WMBC-1A
RM7895C Controller Electronic Pilot System
IRI
Control Supplement
I. Installation ..................... 2
II. Gas piping ...................... 5
III. Wiring ............................. 5
IV. Startup ......................... 10
V. Sequence of operation 11
VI. Parts list ....................... 12
Indicates presence of hazards that can cause severe personal injury, death or
substantial property damage.
Indicates special instructions on installation, operation or maintenance that
are important but not related to personal injury or property damage.
This Control Supplement must only be used by a qualified installer/service
technician. Read these instructions completely before beginning the
installation. Failure to follow these instructions can cause severe personal
injury, death or substantial property damage.
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Summary
Part Number 550-141-807/0298 2 LGB (Series 2) — Control Supplement I Installation 1. For use with LGB-6 through 12 boilers.2. LOCAL INSPECTOR MUST CERTIFY BOILER FOR IRI COMPLIANCE.3. Assemble pilot burner and flame sensor to main burners with pilot brackets. See Figures 2 and 3. Install ground wiri...
Part Number 550-141-807/0298 5 Flame Guardian WMBC-1A Electronic Pilot System – IRI 1. Size gas piping considering: a. Diameter and length of gas supply piping.b. Number of fittings.c. Maximum gas consumption (including any possible future expansion).d. Allowable pressure drop from gas meter outlet ...
Part Number 550-141-807/0298 10 LGB (Series 2) — Control Supplement IV Start-up Low Fire Adjustment 1. Disable high fire by disconnecting the blue wire in the two-stage gas valve.2. Connect manometer to gas manifold (manometer must be capable of measuring 0” to 14” W.C.). 3. Turn on electrical power...
