Carrier WeatherMaker 48TC 06 Installation Instructions Manual

Contents

111. The indoor coil access panel will be used as the top ofthe hood. Remove the screws along the sides and bot-tom of the indoor coil access panel. See Fig. 10.Fig. 10 — Indoor Coil Access Panel Relocation2. Swing out indoor coil access panel and insert the hoodsides under the panel (hood top). Use the screws providedto attach the hood sides to the hood top. Use screws pro-vided to attach the hood sides to the unit. See Fig. 11.Fig. 11 — Economizer Hood Construction3. Remove the shipping tape holding the economizer baro-metric relief damper in place (economizer only).4. Insert the hood divider between the hood sides. SeeFig. 11 and 12. Secure hood divider with 2 screws oneach hood side. The hood divider is also used as the bot-tom filter rack for the aluminum filter.5. Open the filter clips which are located underneath thehood top. Insert the aluminum filter into the bottom filterrack (hood divider). Push the filter into position past theopen filter clips. Close the filter clips to lock the filter intoplace. See Fig. 12.6. Caulk the ends of the joint between the unit top panel andthe hood top.7. Replace the filter access panel.Fig. 12 — Economizer Filter InstallationStep 9 — Install Flue Hood — Flue hood is shippedscrewed to the basepan beside the burner compartment accesspanel. Remove from shipping location and using screws pro-vided, install flue hood and screen in location shown in Fig. 13.Fig. 13 — Flue Hood DetailsStep 10 — Install Gas Piping — Installation of thegas piping must be accordance with local building codes andwith applicable national codes. In U.S.A., refer to NFPA 54/ANSI Z223.1 National Fuel Gas Code (NFGC). In Canada, in-stallation must be accordance with the CAN/CSA B149.1 andCAN/CSA B149.2 installation codes for gas burning applianc-es. This unit is factory equipped for use with Natural Gas fuelat elevations up to 2000 ft (610 m) above sea level. Unit maybe field converted for operation at elevations above 2000 ft(610 m) and/or for use with liquefied petroleum fuel. See ac-cessory kit installation instructions regarding these accessories.NOTE: Furnace gas input rate on rating plate is for installa-tion up to 2000 ft (610 m) above sea level. In U.S.A. theinput rating for altitudes above 2000 ft (610 m) must be der-ated by 4% for each 1000 ft (305 m) above sea level. InCanada the input rating must be derated by 10% for alti-tudes of 2000 ft (610 m) to 4500 ft (1372 m) above sealevel.For natural gas applications, gas pressure at unit gas con-nection must not be less than 4 in. wg (996 Pa) or greater than13 in. wg (3240 Pa) while the unit is operating, see Table 3. Forliquefied petroleum applications, the gas pressure must not beless than 11 in. wg (2740 Pa) or greater than 13.0 in. wg(3240 Pa) at the unit connection, see Table 4.TOPPANELINDOORCOILACCESSPANELINDOORCOILACCESSPANELCAULKHERETOPPANELBTOPPANELINDOOR COILACCESS PANEL19 1/16”SCREWHOOD DIVIDERLEFTHOODSIDE33 3/8”(848mm)(483mm)DIVIDERBAROMETRICRELIEFCLEANABLEALUMINUMFILTER FILTERHOODFILTERCLIPOUTSIDEAIRBLOWERACCESSPANEL