Installation Manual for the Edwards EST 5522D-G1/5523D-G1/5524D-G1/5525D-G1, published in 1984. Document No: P-047550-0408, Rev: 1. 4 models including 5522D-G1, 5523D-G1, 5524D-G1 and 1 additional variants. Hardware installation, terminal connections, and environmental requirements.