Desa RN30BT Owner's Operation And Installation Manual

Also see for CGN18B: OWNER'S OPERATION AND INSTALLATION MANUAL

Contents

10CONNECTINGTO GASSUPPLYNOTICEA qualified service person must connect heater to gas supply.Follow all local codes.!WARNING ICON G 001WARNINGNever connect heater to private (non-utility) gas wells. This gas iscommonly known as well-head gas.IMPORTANT: Check gas line pressure before connecting heater to gas line. Gasline pressure must be no greater than 14 inches of water. If gas line pressure ishigher, heater regulator damage could occur.Installation must include a manual shutoff valve, union, and plugged 1/8" NPT tap.Locate NPT tap within reach for test gauge hook up. NPT tap must be upstreamfrom heater (see Figure 11, page 11).Apply pipe joint sealant lightly to male threads. This will prevent excess sealantfrom going into pipe. Excess sealant in the pipe could result in clogged heatervalves.!WARNING ICON G 001CAUTIONUse only new, black iron or steel pipe. Copper tubing may be usedin certain areas. Check your local codes. Use pipe of 1 /2 " diameteror greater to allow proper gas volume to heater. If pipe is too small,undue loss of pressure will occur.CAUTIONUse pipe joint sealant that is resistant to liquid petroleum (LP) gas.!WARNING ICON G 001Install sediment trap in supply line as shown in Figure 11. Locate sediment trapwhere it is within reach for cleaning. Locate sediment trap where trapped matter isnot likely to freeze. A sediment trap traps moisture and contaminants. This keepsthem from going into heater controls. If sediment trap is not installed or is installedwrong, heater may not run properly.