Raypak 399B-2339B Operations Instructions download pdf (Page 9)

INSTALLATION

Installation Codes

Installations must follow these codes:

• Local, state, provincial, and national codes, laws,

regulations and ordinances

• National Fuel Gas Code, ANSI Z223.1/NFPA 54 –

latest edition (NFGC)

• National Electrical Code, ANSI/NFPA 70 - latest

edition (NEC)

• Standard for Controls and Safety Devices for

Automatically Fired Boilers, ANSI/ASME CSD-1,

when required (CSD-1)

• For Canada only: CAN/CGA B149 Installation

Code (B149) and CSA C22.1 C.E.C. Part 1

(C22.1)

The temperature of the water in the heater can be reg-

ulated by using the temperature controller. To comply

with safety regulations, the temperature controller is

set at the lowest setting when shipped from the facto-

ry.

To adjust the water temperature, insert a small straight

screwdriver into the adjustment screw on the front of

temperature controller and turn the wheel to the

desired setting (See Fig. 4.).

CAUTION: Hotter water increases the risk of scald-

ing! There is a hot water scald potential if the

thermostat is set too high.

Fig. 4: Temperature Control

Equipment Base

The heater should be mounted on a level, structurally

sound surface. The heater is approved for installation

on a combustible surface but must NEVER be

installed on carpeting. Gas-fueled equipment installed

in enclosed parking garages must be located at least

18 in. above the floor.

Stacking

Delta Limited units can be stacked two units high with

an optional stacking rack. A stacking kit is available

from Raypak for this type of installation.

CAUTION: The heaters should be located in an

area where water leakage will not result in damage

to the area adjacent to the appliances or to the

structure. When such locations cannot be avoided, it

is recommended that a suitable catch pan,

adequately drained, be installed under the

appliance. The pan must not restrict air flow.

REQUIRES OPTIONAL VENT TEE.

REQUIRES OPTIONAL VENT TEE IF VENTED OUT BACK

OF HEATER.

Fig. 5: Typical Stacked Installation

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 51 52

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Raypak 399B-2339B Operations Instructions Page 9

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