Heating of the Sauna When the heater is switched on for the first time, both theheaterandtherocksemitsmell.Toremovethesmell, the sauna room needs to be efficiently ventilated. The purpose of the heater is to raise the temperature of the sauna room and the sauna rocks to the required bathing temperature. If the heater output is suitable for the sauna room, it will take about an hour for a properly insulated sauna to reach that temperature. See item 2.1., .Insulation and wall materials of the Saun

• the moisture protection consists of e.g. aluminium paper with tightly taped edges. The paper must be fitted so that the glossy side is towards the inside of the sauna. • there is a 3/8" (10 mm) vent gap between the moisture protection and panel boards (recommendation). • the inside is covered by 1/2" – 5/8" (12.16 mm) thick panelling. • there is a vent gap of a few millimetres at the top of the wall covering at the edge of the ceiling panelling. When aiming at a reasonable heater output, it ma

Heating of the Sauna When the heater is switched on for the first time, both theheaterandtherocksemitsmell.Toremovethesmell, the sauna room needs to be efficiently ventilated. The purpose of the heater is to raise the temperature of the sauna room and the sauna rocks to the required bathing temperature. If the heater output is suitable for the sauna room, it will take about an hour for a properly insulated sauna to reach that temperature. See item 2.1., .Insulation and wall materials of the Saun

mounted to a heavy gauge metal terminal box. Due to the various options and materials available, check the IMPORTANT — Observe at least one complete heating cycle nameplate attached to the heater terminal box with the catalog operation before leaving the installation. number designation system on page 7 before installing to insure the heater you received conforms to your specification. © 2010 Chromalox, Inc. Duct Heater4 Ft. Min. Air HandlerAirFlow GENERAL Limitations: Ductwork must be in accord

Net. Wt. (Lbs.) Model Approx. Net. Wt. (Lbs.) Volts Phase kW No. Elements No. Mtg. Holes 9/32” Dia. No. Circuits Dimensions (In.) A B C D E H K L M ADH-005 ADH-010 ADH-015 8 15 25 ADHT-005 ADHT-010 ADHT-015 10 20 30 480 480 480 3 3 3 5 10 15 3 6 9 10 10 12 1 1 1 5-5/8 7-5/8 9-5/8 20-3/8 20-3/8 20-3/8 28-1/8 28-1/8 28-1/8 4 6 8 1/4 1/4 1/4 2-1/2 3-1/2 3 3-1/2 3-1/2 3-1/2 11-1/8 11-1/8 11-1/8 9-1/2 9-1/2 9-1/2 ADH-020 ADH-025 ADH-030 35 40 55 ADHT-020 ADHT-025 ADHT-030 40 50 65 480 480 480 3 3 3 2

DATESALESREFERENCEDIVISIONSECTIONChromalox® (Supersedes PG422-1)PF497-1DRA161-304812-001NOVEMBER, 20024RENEWAL PARTS IDENTIFICATIONInstallation, Operationand(Supersedes PF-497) Specifications – Table1 Portable Industrial Unit Blower Air Heater Type DRA Specifications – Table1 Portable Industrial Unit Blower Air Heater Type DRA Model Electrical Data (60 Hz) Dimensions (In.) Volts kW Phase Amps* 1/3 Ph BTU Height Width Depth DRA-07-83 208 7.5 1 and 3 36.3/21.0 25,590 34.25 27.5 25 DRA-07-23 240/20

Min. fluid Depth for safe heater operation is 12”. 2. 5/8” - 11 x 1 in. long hex head bolts. 8 required. Heater Terminal HousingGasket (Furnished) Manhole Adapter (Optional) Customer Manhole CoverLifting CablesOvertemperatureSensorC9-3/16” 14’ B8” 12” Bolts. SeeNote 2 Specifications – Type FXTH kW Amp / Tube Minimum Manhole Size (In.) Heater Length B Heater Width C No. Tubes and Circuits Catalog Number* Approx Net Wt. Lbs. Catalog Number of Recommended OCC or WCC Control Centers 240 480 240V 480

© 2010 Chromalox, Inc. Type VUH Vertical Unit Heater Specifications – Table 1 Heating Capacity Volts Air Delivery Max. Dimensions (In.) Mtg. Mtg. Model Outlet Height Weight kW BTUH 1 Phase 3 Phase CFM FPM Temp. °F* (Ft.) A B C D E F H M (Lbs.) 208 VUH-C-30 30 102,000 – 240 2500 1200 96 33 18-7/8 19 34 10-5/8 15-1/4 3 11 20-3/4 250 480 VUH-C-40 38.5 136,000 – 240 2500 1200 108 30 18-7/8 19 34 10-5/8 15-1/4 3 11 20-3/4 250 39 480 VUH-C-50 50 170,000 – 480 2500 1200 120 27 18-7/8 19 34 10-5/8 15

If an element or other part listed in Table A (page verting these earlier models to the current Style 3B. This conversion 3) is necessary, order according to heater housing length and the is necessary because replacement parts for the old models are no voltage and wattage stamped on the element and the heater name- longer available. plate. The changes involved are primarily in the terminal area as For complete installation information for type RAD - Style shown in Figures I, 2 and 3. Match-up on

Type TLC, TLO, TLS, TLI, KTLC, KTLO, KTLS, KTLI, KBLC, KBLS, BLCK, & BLCS Series Industrial Over-The-Side Immersion Heaters Type KTLC Type TLC Type KBLS Shown above are Moisture Resistant Terminal Enclosures. Explosion Resistant Terminal Enclosure not shown. Note: Consult factory for specific installation instructions for heaters with additional features not detailed in this installation guide. Such additional features may include thermocouples supplied as a special order modification. GENERAL S