Bedienungsanleitung Raypak DEL TA LIMITED 899B

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® Catalog No.: 3500.97A
DELTA LIMITED , TYPE W H - MODELS 399B-899B

Effective: 11-15-08

SUGGESTED SPECIFICATIONS
Replaces: 9-15-02


DIVISION 23 52 33.13

FINNED WATER-TUBE WATER HEATERS
PART 1 - GENERAL
1.1 SUMMARY
A. Section includes gas-fired, copper finned-tube water heaters for use with a storage tank.
B. Related Sections
Specifier Note: Use as needed
1. Building Services Piping – Division 23 21 00
2. Breeching, Chimneys, and Stacks (Venting) – Division 23 51 00
3. HVA

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® 2. Product: Delta Limited copper finned-tube water heater(s) 2.2 WATER HEATERS A. General 1. The water heater(s) shall be fired with gas at a rated input of BTU/hr. 2. The water heater(s) shall be CSA tested and certified with a minimum thermal efficiency of 85 percent at full fire. 3. The water heater(s) shall be ASME inspected and stamped and National Board registered for 160 PSIG working pressure, complete with a Manufacturer's Data Report. 4. The water heater(s) shall h

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2. The water heater(s) shall be equipped with a fixed 5-minute energy-saving pump control relay, mounted and wired, which automatically shuts off the water heater pump at a set period after water heater shut-down to avoid standby losses associated with constant pump operation. G. Firing Mode 1. For model 399B, provide on/off control of the gas input to the water heater (stage fire optional). 2. For models 499B-899B, provide two-stage firing control of the gas input to the water heater. H.

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less than 7 minutes to avoid damaging condensation. The unit will automatically shut down if the inlet temperature is not achieved within the 7-minute time frame. 2. The cold water start system shall be configured with a modulating three-way valve that is controlled by a system-matched PID controller. The PID controller temperature sensor shall be located in the inlet header of the water heater. 3. The control shall have a temperature setting dial located on the face of the board. The temp

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3.2 START-UP A. Shall be performed by Raypak factory-trained personnel. B. Test during operation and adjust if necessary: 1. Safeties (2.2 - F) 2. Operating Controls (2.3) 3. Static and full load gas supply pressure 4. Gas manifold and blower air pressure C. Submit copy of start-up report to Architect and Engineer. 3.3 TRAINING A. Provide factory-authorized service representative to train maintenance personnel on procedures and schedules related to start-up, shut-down, trouble shooting