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INSTALLATION INSTRUCTIONS
HANG THESE INSTRUCTIONS IN VICINITY OF BOILER
PEERLESS ATMOSPHERIC
OPERATING INSTRUCTIONS
MOD–U–PAK
No. 1 - PROPORTIONAL WATER TEMPERATURE CONTROL W/ SUPPLY OR RETURN
WATER TEMPERATURE SENSOR
No. 2 - PROPORTIONAL WATER TEMPERATURE CONTROL W/ OUTDOOR RESET
No. 3 - PROPORTIONAL STEAM PRESSURE CONTROL W/ STEAM PRESSURE
SENSOR
GAS BOILERS
INSTALLATION
AND
SYSTEM
CONTROL SETS
PB HEAT, LLC
NEW BERLINVILLE, PA 19545-0447
GG8027 R11 (7/07-6C)
Printed in U.S.A.
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Related Manuals for PB Heat mod-u-pak
Summary of Contents for PB Heat mod-u-pak
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Page 1: Installation Instructions
No. 1 - PROPORTIONAL WATER TEMPERATURE CONTROL W/ SUPPLY OR RETURN WATER TEMPERATURE SENSOR No. 2 - PROPORTIONAL WATER TEMPERATURE CONTROL W/ OUTDOOR RESET No. 3 - PROPORTIONAL STEAM PRESSURE CONTROL W/ STEAM PRESSURE SENSOR PB HEAT, LLC NEW BERLINVILLE, PA 19545-0447 GG8027 R11 (7/07-6C) Printed in U.S.A. -
Page 2: Standard Controls
All wiring must be done in accordance with the current National Electrical Code and local codes. Refer to wiring diagrams in rear of booklet for correct wiring of controls. Contact PB Heat, LLC for application of controls, ignition systems or codes not covered by these wiring diagrams. - Page 3 b. -10°F OUTDOOR DESIGN TEMPERATURE: a. 0°F OUTDOOR DESIGN TEMPERATURE: BOILER BOILER OUTDOOR INPUT WATER OUTDOOR INPUT WATER TEMP. °F TEMP. °F TEMP. °F TEMP. °F – 5 Setting of #1 T675A Temperature Controller — 35°F – 10 Setting of #2 T675A Temperature Controller — 20°F Setting of #1 T675A Temperature Controller —...
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Page 4: Operating Sequence
6 – OPERATING SEQUENCE TO START Refer to Lighting Instructions on boiler and ignite pilot(s), if necessary. With pilot(s) proven, close main line power switch, set all safety interlocks with contacts closed and open main manual shut-off gas valve. Set outdoor reset control and outdoor temperature controllers to desired settings. Close bypass disconnect switch, adjust gas manifold pressure to required setting at 100% input rate (Natural Gas - 3.5”... - Page 5 1 – DESCRIPTION This Mod-U-Pak System is a proportional system in which boiler gas input is modulated proportionately to changes in load conditions. For maximum performance, the input to the boiler is varied to the change in the heating load requirements within the range of 50% to 100% of input.
- Page 6 TEMPERATURE - PRESSURE CHART WATER BOILERS CONTROL SET NO. 1 CONTROL NO. 1 CONTROL NO. 2 Design Operating R - B Breaks R - W Breaks R - B Breaks R - W Breaks Temp. Control R - W Makes R - B Makes R - W Makes R - B Makes...
- Page 7 6 – OPERATING SEQUENCE TO START Refer to Lighting Instructions on boiler and ignite pilot(s), if necessary. With pilot(s) proven, close main line power switch, set all safety interlocks with contacts closed and open main manual shut-off gas valve. Set operating control and dual acting temperature or pressure controls to desired settings. Close bypass disconnect switch, adjust gas manifold pressure to required setting at 100% input rate (Natural Gas - 3.5”...
- Page 8 211A SERIES CONTROL SET #2...
- Page 9 211A SERIES CONTROL SET #1 or #3...
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