Munchkin 399M manual Piping Symbol Legend, Piping Illustrations

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PIPING

D. PIPING ILLUSTRATIONS

Piping Symbol Legend
circulator	pressure reducing valve
(w/ isolation flanges)	pressure reducing valve
(w/ isolation flanges)
circulator w/
integral flow check)
	diff. pressure bypass
gate valve
globe valve	anti-scald rated
	mixing valve
ball valve
	pressure gauge
swing-check valve
flow-check valve	4-way motorized
flow-check valve	mixing valve
spring-loaded check valve	3-way motorized	Munchkin heater
	3-way motorized	Munchkin heater
	mixing valve
hose bib / boiler drain
	pressure relief valve
thermostatic radiator valve
TRV (straight)	backflow preventer
	backflow preventer
thermostatic radiator valve
TRV (angle)	float -type
	float -type
	air vent
circuit setter	union
	union
manual 3-way valve
	heat exchanger
zone valve
air separator	vacuum breaker	Super Stor
	vacuum breaker	Super Stor
		indirect DHW tank
diaphragm-type
expansion tank
	radiant manifold
Fig. 5-2

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Contents Munchkin High Efficiency 399M Commercial Boiler What to do if YOU Smell GASUsing this Manual Using this ManualTable of Contents Munchkin Ratings and Dimensions Part 1. General InformationGeneral Information HOW IT OperatesDimensions PRE-INSTALLATION Requirements Part 2. Electrical General Information / ElectricalPressure Relief Valve Electrical ConnectionElectrical Part 3. GAS Connection Electrical / GAS ConnectionGAS Connection GAS ConnectionGAS Piping GAS TableCombustion Settings Munchkin Burnertech GAS ValvePart 4. Venting VentingApproved Venting Materials Venting the Munchkin in 4 or 6 Plastic PipeVenting Important Note Longer Vent Runs Using a Combination 4 to 6 Pipe Fittings or Piping Equivalent FeetDiagrams for Sidewall Venting Heater Removal from a Common Vent SystemDiagram for Vertical Venting Part 5. Piping Venting / PipingCondensate Requirements Hydronic Piping with Circulators or Zone ValvesPiping Circulator SizingFill and Purge Heating System Piping Symbol Legend Piping IllustrationsZone valves Make-up water Zone valves Mixing valve Zone valves Make-up water Piping Space heating zone circuit Zone Circulators Make-up water PB1 PB2 PB1 PB2 Part 6. START-UP Procedures START-UP ProceduresItems to be Checked Before Lighting the Munchkin Lighting InstructionsAdjusting the Temperature on the Munchkin Display Operating InstructionsTo Turn OFF GAS to Appliance Test ModeStatus Menu START-UP Procedures / Servicing Munchkin Temporary Fault ConditionPart 7. Servicing Sequence of OperationMunchkin Fault Requiring Manual Reset ServicingServicing Remedy Call Factory for further assistance Resistance Tables Part 8. Maintenance MaintenanceLeaks Control Wiring Layout Munchkin ControllerMaintenance Maintenance Page Page Heat Transfer Products, Inc LP-121 REV /20/04